Fatal error: Uncaught Error: Class 'Symfony\Component\Translation\Dumper\FileDumper' not found in C:\xampp\htdocs\admin\vendor\symfony\translation\Dumper\IniFileDumper.php:21 Stack trace: #0 {main} thrown in C:\xampp\htdocs\admin\vendor\symfony\translation\Dumper\IniFileDumper.php on line 21